MinGW: implement mmap

diff --git a/read-cache.c b/read-cache.c
index 91f1d03c0957c54121156c6c0b685a91bb452c3e..3f587110cb9d7be1890b7db68a0bdac35d48cd35 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -69,13 +69,8 @@ void fill_stat_cache_info(struct cache_entry *ce, struct stat *st)
 {
        ce->ce_ctime.sec = (unsigned int)st->st_ctime;
        ce->ce_mtime.sec = (unsigned int)st->st_mtime;
-#ifdef USE_NSEC
-       ce->ce_ctime.nsec = (unsigned int)st->st_ctim.tv_nsec;
-       ce->ce_mtime.nsec = (unsigned int)st->st_mtim.tv_nsec;
-#else
-       ce->ce_ctime.nsec = 0;
-       ce->ce_mtime.nsec = 0;
-#endif
+       ce->ce_ctime.nsec = ST_CTIME_NSEC(*st);
+       ce->ce_mtime.nsec = ST_MTIME_NSEC(*st);
        ce->ce_dev = st->st_dev;
        ce->ce_ino = st->st_ino;
        ce->ce_uid = st->st_uid;
@@ -209,9 +204,9 @@ static int ce_match_stat_basic(struct cache_entry *ce, struct stat *st)
                changed |= CTIME_CHANGED;
 
 #ifdef USE_NSEC
-       if (ce->ce_mtime.nsec != (unsigned int)st->st_mtim.tv_nsec)
+       if (ce->ce_mtime.nsec != ST_MTIME_NSEC(*st))
                changed |= MTIME_CHANGED;
-       if (trust_ctime && ce->ce_ctime.nsec != (unsigned int)st->st_ctim.tv_nsec)
+       if (trust_ctime && ce->ce_ctime.nsec != ST_CTIME_NSEC(*st))
                changed |= CTIME_CHANGED;
 #endif
 
@@ -1183,13 +1178,8 @@ static void convert_from_disk(struct ondisk_cache_entry *ondisk, struct cache_en
 
        ce->ce_ctime.sec = ntohl(ondisk->ctime.sec);
        ce->ce_mtime.sec = ntohl(ondisk->mtime.sec);
-#ifdef USE_NSEC
        ce->ce_ctime.nsec = ntohl(ondisk->ctime.nsec);
        ce->ce_mtime.nsec = ntohl(ondisk->mtime.nsec);
-#else
-       ce->ce_ctime.nsec = 0;
-       ce->ce_mtime.nsec = 0;
-#endif
        ce->ce_dev   = ntohl(ondisk->dev);
        ce->ce_ino   = ntohl(ondisk->ino);
        ce->ce_mode  = ntohl(ondisk->mode);
@@ -1309,11 +1299,7 @@ int read_index_from(struct index_state *istate, const char *path)
                dst_offset += ce_size(ce);
        }
        istate->timestamp.sec = st.st_mtime;
-#ifdef USE_NSEC
-       istate->timestamp.nsec = (unsigned int)st.st_mtim.tv_nsec;
-#else
-       istate->timestamp.nsec = 0;
-#endif
+       istate->timestamp.nsec = ST_MTIME_NSEC(st);
 
        while (src_offset <= mmap_size - 20 - 8) {
                /* After an array of active_nr index entries,
@@ -1500,13 +1486,8 @@ static int ce_write_entry(git_SHA_CTX *c, int fd, struct cache_entry *ce)
 
        ondisk->ctime.sec = htonl(ce->ce_ctime.sec);
        ondisk->mtime.sec = htonl(ce->ce_mtime.sec);
-#ifdef USE_NSEC
        ondisk->ctime.nsec = htonl(ce->ce_ctime.nsec);
        ondisk->mtime.nsec = htonl(ce->ce_mtime.nsec);
-#else
-       ondisk->ctime.nsec = 0;
-       ondisk->mtime.nsec = 0;
-#endif
        ondisk->dev  = htonl(ce->ce_dev);
        ondisk->ino  = htonl(ce->ce_ino);
        ondisk->mode = htonl(ce->ce_mode);
@@ -1582,10 +1563,8 @@ int write_index(struct index_state *istate, int newfd)
 
        if (ce_flush(&c, newfd) || fstat(newfd, &st))
                return -1;
-       istate->timestamp.sec = (unsigned int)st.st_ctime;
-#ifdef USE_NSEC
-       istate->timestamp.nsec = (unsigned int)st.st_ctim.tv_nsec;
-#endif
+       istate->timestamp.sec = (unsigned int)st.st_mtime;
+       istate->timestamp.nsec = ST_MTIME_NSEC(st);
        return 0;
 }